EP 0855379 A1 19980729 - Methods for the preparation of benzophenones derivatives
Title (en)
Methods for the preparation of benzophenones derivatives
Title (de)
Verfahren zur Herstellung von Benzophenon Derivaten
Title (fr)
Procédés de préparation de dérivés de benzophénone
Publication
Application
Priority
- EP 98100582 A 19980115
- EP 97100930 A 19970122
Abstract (en)
The present invention relates to a process for the manufacture of benzophenone derivatives and is based on the separation of compounds of formula (I), <CHEM> from corresponding isomeric compounds of formula (II), <CHEM> by selective crystallization of corresponding salts of compounds of formula (I).
IPC 1-7
C07C 45/81; C07C 45/67; C07C 45/46; C07C 49/84; C07C 205/45; C07C 201/12
IPC 8 full level
C07B 63/04 (2006.01); C07C 45/46 (2006.01); C07C 45/67 (2006.01); C07C 45/81 (2006.01); C07C 45/86 (2006.01); C07C 49/84 (2006.01); C07C 201/12 (2006.01); C07C 205/45 (2006.01)
CPC (source: EP KR US)
A61P 25/16 (2017.12 - EP); C07C 45/46 (2013.01 - EP US); C07C 45/673 (2013.01 - EP US); C07C 45/81 (2013.01 - EP US); C07C 49/786 (2013.01 - KR); C07C 49/84 (2013.01 - KR); C07C 201/08 (2013.01 - EP US); C07C 201/12 (2013.01 - EP US); C07C 201/16 (2013.01 - EP US); C07C 205/45 (2013.01 - EP US)
Citation (search report)
- [DA] EP 0237929 A1 19870923 - HOFFMANN LA ROCHE [CH]
- [A] EP 0273528 A1 19880706 - SHELL AGRAR GMBH & CO KG [DE]
- [A] H. RICHTZENHAIN ET AL.: "Über den Abbau von Lignin und Ligninmodellsubstanzen mit Hypochlorit. II. Mitteilung", ACTA CHEMICA SCANDINAVICA., vol. 8, 1954, COPENHAGEN DK, pages 1519 - 1529, XP002060097
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0855379 A1 19980729; EP 0855379 B1 20010905; AR 011542 A1 20000830; AT E205177 T1 20010915; AU 5210298 A 19980730; AU 733422 B2 20010517; BR 9800426 A 19990908; BR 9800426 B1 20100518; CA 2227131 A1 19980722; CA 2227131 C 20081007; CN 1092178 C 20021009; CN 1188755 A 19980729; DE 69801532 D1 20011011; DE 69801532 T2 20020523; DK 0855379 T3 20011217; ES 2162351 T3 20011216; ID 19540 A 19980723; JP 2888814 B2 19990510; JP H10204021 A 19980804; KR 100268545 B1 20001016; KR 19980070613 A 19981026; MX 9800608 A 19981031; PT 855379 E 20020130; TR 199800068 A2 19980821; TR 199800068 A3 19980821; US 5877353 A 19990302; ZA 98347 B 19980722
DOCDB simple family (application)
EP 98100582 A 19980115; AR P980100218 A 19980119; AT 98100582 T 19980115; AU 5210298 A 19980116; BR 9800426 A 19980121; CA 2227131 A 19980115; CN 98104299 A 19980121; DE 69801532 T 19980115; DK 98100582 T 19980115; ES 98100582 T 19980115; ID 971255 A 19970415; JP 855898 A 19980120; KR 19980001483 A 19980120; MX 9800608 A 19980121; PT 98100582 T 19980115; TR 9800068 A 19980116; US 761298 A 19980115; ZA 98347 A 19980115